Tettau G. C. Greiner Tea Cup with red decoration

Tettau G. C. Greiner Old Tea Cup with red decoration. Not Danish, probably German or Frensh. Measures Cup: 5.8 cm / 2 9/32 in. x 10 cm / 3 15/16 in. dia. Saucer: 14.5 cm / 5 45/64 in. dia. From after 1794